DATA SHEET SKY67023-396LF: 2.0-3.0 GHz High Linearity, Active Bias Low-Noise Amplifier Applications • CDMA, WCDMA, TD-SCDMA, WiMAX, LTE cellular infrastructure • Ultra low-noise systems • Balanced, single-ended low-noise amplifier designs Features • Extended operating temperature range: –40 °C to +100 °C • Low Noise Figure: 0.89 dB @ 2.6 GHz • Excellent IIP3 performance: +22 dBm @ 2.6 GHz Figure 1. SKY67023-396LF Block Diagram • Gain: 17.3 dB @ 2.6 GHz • Adjustable supply current • Integrated enable circuitry • Temperature and process-stable active bias • Miniature DFN (8-pin, 2 x 2 mm) package (MSL1 @ 260 °C per JEDEC J-STD-020) Description The SKY67023-396LF is GaAs, pHEMT Low-Noise Amplifier (LNA) with an active bias and high linearity performance. The advanced GaAs pHEMT enhancement mode process provides good return loss, low noise, and high linearity performance. The internal active bias circuitry provides stable performance over temperature and process variation. The device offers the ability to externally adjust supply current and gain. Supply voltage is applied to the RFOUT/VDD pin through an RF choke inductor. Pin 3 (VBIAS) should be connected to RFOUT/VDD through an external resistor to control the supply current. The RFIN and RFOUT/VDD pins should be DC blocked to ensure proper operation. The SKY67023-396LF operates in the frequency range of 2.2 to 3.0 GHz. For lower frequency operation, the pin-compatible SKY67022-396LF or SKY67021-396LF should be used. The LNA is manufactured in a compact, 2 x 2 mm, 8-pin Dual Flat No-Lead (DFN) package. A functional block diagram is shown in Figure 1. The pin configuration and package are shown in Figure 2. Signal pin assignments and functional pin descriptions are provided in Table 1. Figure 2. SKY67023-396LF Pinout – 8-Pin DFN (Top View) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202678A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • March 6, 2013 1 DATA SHEET • SKY67023-396LF HIGH LINEARITY, ACTIVE BIAS LNA Table 1. SKY67023-396LF Signal Descriptions Pin # Name Description Pin # Name Description 1 N/C No connection. May be connected to ground with no change in performance. 5 N/C No connection. May be connected to ground with no change in performance. 2 RFIN RF input. DC blocking capacitor required. 6 ENABLE Enable pin. Active “low” (0 V) = amplifier on state. 3 VBIAS Bias for 1st stage amplifier. External resistor sets current consumption. 7 RFOUT/VDD RF output. Apply VDD through RF choke inductor. DC blocking capacitor required. 4 N/C No connection. May be connected to ground with no change in performance. 8 N/C No connection. May be connected to ground with no change in performance. Table 2. SKY67023-396LF Absolute Maximum Ratings Parameter Symbol Minimum Typical 5.0 Maximum Units Supply voltage VDD RF input power PIN 5.5 V +20 dBm Channel temperature TCH Thermal resistance (@ 5 V bias) ΘJC Storage temperature TSTG –65 +25 +150 °C Operating temperature TA –55 +25 +100 °C Electrostatic Discharge: Charged Device Model (CDM), Class 4 Human Body Model (HBM), Class 1A Machine Model (MM), Class A ESD +150 °C °C/W 62.2 1000 250 30 V V V Notes: Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other parameters set at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device. CAUTION: Although this device is designed to be as robust as possible, Electrostatic Discharge (ESD) can damage this device. This device must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. Industry-standard ESD precautions should be used at all times. Electrical and Mechanical Specifications The absolute maximum ratings of the SKY67023-396LF are provided in Table 2. Electrical specifications are provided in Table 3. Typical performance characteristics of the SKY67023-396LF are illustrated in Figures 3 through 28. Table 4 provides noise source pull information versus frequency. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 2 March 6, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202678A DATA SHEET • SKY67023-396LF HIGH LINEARITY, ACTIVE BIAS LNA Table 3. SKY67023-396LF Electrical Specifications (Note 1) (VDD = 5 V, IDD = 100 mA, TA = +25 °C, PIN = –20 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted) Parameter Symbol Test Condition Min Typical Max Units 0.89 1.15 dB 18.3 RF Specifications Noise Figure (Note 2) NF @ 2.6 GHz Small signal gain |S21| @ 2.6 GHz 16.3 17.3 Input return loss |S11| @ 2.6 GHz 12.0 14.5 dB Output return loss |S22| @ 2.6 GHz 9.0 12.5 dB Reverse isolation |S12| @ 2.6 GHz 26.2 29.2 dB 3 Order Input Intercept Point IIP3 @ 2.6 GHz, Δf = 1 MHz, PIN = –20 dBm/tone +20.0 +22.2 dBm 3rd Order Output Intercept Point OIP3 @ 2.6 GHz, Δf = 1 MHz, PIN = –20 dBm/tone +37.3 +39.5 dBm 1 dB Input Compression Point IP1dB @ 2.6 GHz +2.0 +3.2 dBm 1 dB Output Compression Point OP1dB @ 2.6 GHz +18.3 +19.5 dBm Stability (Note 3) μ, μ1 Up to 18 GHz, –40 °C to +85 °C >1 – rd dB DC Specifications Supply voltage VDD Quiescent supply current IDD Amplifier enable off current (logic “high”) (Note 4) IEN Enable rise time (Note 5) TR Enable fall time (Note 5) TF 5.0 5.5 V 90 100 120 mA 700 900 1100 μA @ 2.6 GHz 250 500 ns @ 2.6 GHz 250 500 ns Set with external resistor Note 1: Performance is guaranteed only under the conditions listed in this Table. Note 2: Loss from the input SMA connector and Evaluation Board up to component M1 has been de-embedded from the NF measurement (0.06 dB). Note 3: Applies to typical application circuit and components shown in Figure 28. Note 4: Applications of high signal levels applied to the RFIN pin while in the amplifier “off” state may cause the device to self-bias and partially turn back on. Note 5: Tested with a 100 kHz square wave, 1000 pF capacitance-to-ground on the ENABLE pin. Switching time improves by reducing the value of, or eliminating, the 1000 pF capacitor on pin 6 (component M10 in Figure 28). Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202678A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • March 6, 2013 3 DATA SHEET • SKY67023-396LF HIGH LINEARITY, ACTIVE BIAS LNA Typical Performance Characteristics (VDD = 5 V, IDD = 100 mA, TA = +25 °C, PIN = –20 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted) Figure 3. Broadband Gain Response vs Frequency Over Temperature Figure 4. Narrowband Gain Response vs Frequency Over Temperature Figure 5. Broadband Input Return Loss vs Frequency Over Temperature Figure 6. Narrowband Input Return Loss vs Frequency Over Temperature Figure 7. Broadband Reverse Isolation vs Frequency Over Temperature Figure 8. Narrowband Reverse Isolation vs Frequency Over Temperature Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 4 March 6, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202678A DATA SHEET • SKY67023-396LF HIGH LINEARITY, ACTIVE BIAS LNA Figure 9. Broadband Output Return Loss vs Frequency Over Temperature Figure 10. Narrowband Output Return Loss vs Frequency Over Temperature Figure 11. Noise Figure vs Frequency Over Temperature Figure 12. IIP3 vs Input Power Over Temperature @ 2200 MHz (PIN = –20 dBm, Tone Spacing = 1 MHz) Figure 13. IIP3 vs Input Power Over Temperature @ 2500 MHz (PIN = –20 dBm, Tone Spacing = 1 MHz) Figure 14. IIP3 vs Input Power Over Temperature @ 2600 MHz (PIN = –20 dBm, Tone Spacing = 1 MHz) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202678A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • March 6, 2013 5 DATA SHEET • SKY67023-396LF HIGH LINEARITY, ACTIVE BIAS LNA Figure 15. IIP3 vs Input Power Over Temperature @ 2700 MHz (PIN = –20 dBm, Tone Spacing = 1 MHz) Figure 16. IIP3 vs Input Power Over Temperature @ 3000 MHz (PIN = –20 dBm, Tone Spacing = 1 MHz) Figure 17. IIP3 vs Frequency Over Temperature (PIN = –20 dBm, Tone Spacing = 1 MHz) Figure 18. Gain vs Input Power Over Temperature @ 2200 MHz Figure 19. Gain vs Input Power Over Temperature @ 2500 MHz Figure 20. Gain vs Input Power Over Temperature @ 2600 MHz Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 6 March 6, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202678A DATA SHEET • SKY67023-396LF HIGH LINEARITY, ACTIVE BIAS LNA Figure 21. Gain vs Input Power Over Temperature @ 2700 MHz Figure 22. Gain vs Input Power Over Temperature @ 3000 MHz Figure 23. Stability Factor (μ) vs Frequency Over Temperature Figure 24. Stability Factor (μ1) vs Frequency Over Temperature Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202678A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • March 6, 2013 7 DATA SHEET • SKY67023-396LF HIGH LINEARITY, ACTIVE BIAS LNA Figure 25. Load Pull, @ 5 V, 2600 MHz, 100 mA Table 4. Noise Parameters vs Frequency @ 25 °C (1 of 3) Γopt Frequency (GHz) Minimum Noise Figure (FMIN) (dB) Noise Resistance (RN) (Ω) Phase Associated Gain (dB) Maximum Gain (GMAX) (dB) Magnitude 0.50 0.410 0.047 0.244 +79.766 28.237 29.999 0.55 0.406 0.045 0.251 +84.050 27.809 29.451 0.60 0.402 0.043 0.258 +88.232 27.395 28.922 0.65 0.400 0.041 0.264 +92.313 26.993 28.413 0.70 0.398 0.040 0.271 +96.294 26.605 27.922 0.75 0.398 0.038 0.279 +100.177 26.230 27.450 0.80 0.398 0.037 0.286 +103.963 25.867 26.995 0.85 0.400 0.035 0.293 +107.652 25.516 26.558 0.90 0.402 0.034 0.300 +111.246 25.177 26.137 0.95 0.406 0.033 0.307 +114.746 24.850 25.734 1.00 0.410 0.032 0.315 +118.153 24.534 25.346 1.05 0.415 0.031 0.322 +121.469 24.229 24.974 1.10 0.420 0.030 0.329 +124.694 23.935 24.618 1.15 0.427 0.029 0.337 +127.830 23.652 24.276 1.20 0.434 0.028 0.344 +130.877 23.378 23.949 1.25 0.442 0.027 0.352 +133.838 23.114 23.635 1.30 0.451 0.027 0.359 +136.712 22.860 23.336 1.35 0.461 0.026 0.367 +139.502 22.616 23.049 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 8 March 6, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202678A DATA SHEET • SKY67023-396LF HIGH LINEARITY, ACTIVE BIAS LNA Table 4. Noise Parameters vs Frequency @ 25 °C (2 of 3) Γopt Frequency (GHz) Minimum Noise Figure (FMIN) (dB) Noise Resistance (RN) (Ω) Phase Associated Gain (dB) Maximum Gain (GMAX) (dB) Magnitude 1.40 0.471 0.026 0.374 +142.208 22.380 22.775 1.45 0.482 0.025 0.381 +144.832 22.153 22.514 1.50 0.493 0.025 0.389 +147.374 21.935 22.264 1.55 0.505 0.025 0.396 +149.836 21.724 22.026 1.60 0.517 0.025 0.403 +152.219 21.522 21.798 1.65 0.530 0.025 0.410 +154.524 21.327 21.582 1.70 0.544 0.025 0.418 +156.752 21.139 21.375 1.75 0.558 0.025 0.425 +158.905 20.959 21.179 1.80 0.572 0.025 0.432 +160.983 20.785 20.991 1.85 0.587 0.025 0.439 +162.987 20.618 20.813 1.90 0.602 0.025 0.446 +164.920 20.456 20.642 1.95 0.618 0.026 0.452 +166.782 20.301 20.480 2.00 0.634 0.026 0.459 +168.573 20.151 20.326 2.05 0.650 0.027 0.466 +170.296 20.007 20.179 2.10 0.666 0.027 0.472 +171.951 19.867 20.038 2.15 0.683 0.028 0.478 +173.540 19.733 19.904 2.20 0.700 0.029 0.484 +175.064 19.602 19.776 2.25 0.717 0.029 0.490 +176.523 19.476 19.653 2.30 0.734 0.030 0.496 +177.920 19.354 19.535 2.35 0.752 0.031 0.502 +179.254 19.235 19.422 2.40 0.769 0.032 0.508 –179.472 19.120 19.313 2.45 0.787 0.033 0.513 –178.258 19.007 19.208 2.50 0.805 0.034 0.518 –177.102 18.897 19.106 2.55 0.823 0.035 0.523 –176.004 18.790 19.007 2.60 0.841 0.036 0.528 –174.961 18.685 18.910 2.65 0.858 0.038 0.533 –173.974 18.582 18.816 2.70 0.876 0.039 0.538 –173.040 18.480 18.723 2.75 0.894 0.040 0.542 –172.160 18.379 18.631 2.80 0.911 0.042 0.546 –171.330 18.280 18.541 2.85 0.929 0.043 0.550 –170.551 18.181 18.450 2.90 0.946 0.045 0.553 –169.822 18.083 18.360 2.95 0.964 0.046 0.557 –169.140 17.985 18.269 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202678A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • March 6, 2013 9 DATA SHEET • SKY67023-396LF HIGH LINEARITY, ACTIVE BIAS LNA Table 4. Noise Parameters vs Frequency @ 25 °C (3 of 3) Γopt Frequency (GHz) Minimum Noise Figure (FMIN) (dB) Noise Resistance (RN) (Ω) Phase Associated Gain (dB) Maximum Gain (GMAX) (dB) Magnitude 3.00 0.981 0.048 0.560 –168.506 17.886 18.177 3.05 0.997 0.050 0.563 –167.917 17.787 18.083 3.10 1.014 0.051 0.565 –167.373 17.688 17.988 3.15 1.030 0.053 0.568 –166.873 17.587 17.891 3.20 1.046 0.055 0.570 –166.414 17.485 17.791 3.25 1.062 0.057 0.572 –165.998 17.382 17.688 3.30 1.077 0.059 0.573 –165.621 17.277 17.582 3.35 1.092 0.061 0.574 –165.283 17.169 17.471 3.40 1.106 0.063 0.575 –164.983 17.059 17.357 3.45 1.120 0.065 0.576 –164.719 16.947 17.237 3.50 1.134 0.067 0.576 –164.492 16.831 17.112 3.55 1.147 0.069 0.576 –164.298 16.712 16.982 3.60 1.160 0.071 0.576 –164.138 16.589 16.846 3.65 1.172 0.074 0.575 –164.009 16.463 16.703 3.70 1.183 0.076 0.574 –163.912 16.332 16.553 3.75 1.194 0.078 0.573 –163.845 16.197 16.396 3.80 1.204 0.081 0.571 –163.806 16.057 16.232 3.85 1.214 0.083 0.569 –163.794 15.912 16.059 3.90 1.223 0.086 0.566 –163.809 15.762 15.877 3.95 1.231 0.088 0.564 –163.849 15.606 15.687 4.00 1.239 0.091 0.560 –163.913 15.444 15.487 Evaluation Board Description Package and Handling Information The SKY67023-396LF Evaluation Board is used to test the performance of the SKY67023-396LF LNA. An assembly drawing for the Evaluation Board is shown in Figure 26. The layer detail is provided in Figure 27. An Evaluation Board schematic diagram is provided in Figure 28. Table 5 provides the Bill of Materials (BOM) list for Evaluation Board components. Instructions on the shipping container label regarding exposure to moisture after the container seal is broken must be followed. Otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly. Package Dimensions The PCB layout footprint for the SKY67023-396LF is provided in Figure 29. Typical case markings are shown in Figure 30. Package dimensions for the 8-pin DFN are shown in Figure 31, and tape and reel dimensions are provided in Figure 32. THE SKY67023-396LF is rated to Moisture Sensitivity Level 1 (MSL1) at 260 °C. It can be used for lead or lead-free soldering. For additional information, refer to the Skyworks Application Note, Solder Reflow Information, document number 200164. Care must be taken when attaching this product, whether it is done manually or in a production solder reflow environment. Production quantities of this product are shipped in a standard tape and reel format. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 10 March 6, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202678A DATA SHEET • SKY67023-396LF HIGH LINEARITY, ACTIVE BIAS LNA Figure 26. SKY67023-396LF Evaluation Board Assembly Diagram Figure 27. Layer Detail Physical Characteristics Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202678A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • March 6, 2013 11 DATA SHEET • SKY67023-396LF HIGH LINEARITY, ACTIVE BIAS LNA Figure 28. SKY67023-396LF Evaluation Board Schematic Table 5. SKY67023-396LF Evaluation Board Bill of Materials Component Type Size Value (5 V @ 100 mA) Manufacturer Part # M1 Resistor 0402 0Ω Panasonic ERJ-2GEOROOX M2 Inductor 0402 2 nH Coilcraft 0402HP-2N0XJLU M3 Capacitor 0402 1.6 pF Murata GJM1555C1H1R6CB01 M4 Inductor 0402 15 nH Coilcraft 0402HP-15NXGLU M5 Capacitor 0402 6 pF Murata GJM1555C1H6R0CB01 M6 DNI 0402 M7 Resistor 0402 5.6 kΩ Panasonic ERJ-2GEJ562X M8 Capacitor 0402 1000 pF Murata GRM1555C1H102JA01 M9 Capacitor 0402 1000 pF M10 DNI 0402 M11 Inductor 0402 39 nH TDK MLG1005S39NJ M12 Capacitor 0402 10 pF Murata GRM1555C1H100JZ01D M13 Capacitor 0402 1000 pF Murata GRM1555C1H102JA01 M14 Resistor 0402 0Ω Panasonic ERJ-2GEOROOX M15 0402 0402 0.1 μF Murata GRM155R71A104KA01 M16 Capacitor 0402 2.2 pF Murata GRM1555C1H2R2CZ01 M17 Resistor 0402 0Ω Panasonic ERJ-2GEOROOX M18 Inductor 0402 2.7 nH TDK MLG1005S2N7S – – Murata – – GRM1555C1H102JA01 – – Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 12 March 6, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202678A DATA SHEET • SKY67023-396LF HIGH LINEARITY, ACTIVE BIAS LNA Figure 29. SKY67023-396LF PCB Layout Footprint (Top View) Figure 30. Typical Case Markings (Top View) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202678A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • March 6, 2013 13 DATA SHEET • SKY67023-396LF HIGH LINEARITY, ACTIVE BIAS LNA Figure 31. SKY67023-396LF 8-Pin DFN Package Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 14 March 6, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202678A DATA SHEET • SKY67023-396LF HIGH LINEARITY, ACTIVE BIAS LNA Figure 32. SKY67023-396LF Tape and Reel Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202678A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • March 6, 2013 15 DATA SHEET • SKY67023-396LF HIGH LINEARITY, ACTIVE BIAS LNA Ordering Information Model Name SKY67023-396LF LNA Manufacturing Part Number SKY67023-396LF Evaluation Board Part Number SKY67023-396LF-EVB Copyright © 2013 Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein. 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